Catalytic system for CO2/epoxide copolymerization
    9.
    发明授权
    Catalytic system for CO2/epoxide copolymerization 有权
    CO2 /环氧化物共聚催化体系

    公开(公告)号:US08987411B2

    公开(公告)日:2015-03-24

    申请号:US12817588

    申请日:2010-06-17

    摘要: The present invention related to a method of manufacturing a polycarbonate including the process of copolymerizing epoxide compound and CO2 using cobalt(III) or chromium(III), where the ligands contains at least 3 ammonium cations, central metal has formal −1 charge, and conjugated anions of the two cationic ammonium groups are acid-base homoconjugation, as catalyst.According to the present invention, the initial induction time can be reduced when the said polycarbonate is manufactured and it is possible to improve the activity of the catalyst and the molecular weight of the obtained polymer.

    摘要翻译: 本发明涉及一种制备聚碳酸酯的方法,包括使用钴(III)或铬(III)共聚环氧化合物和CO 2的方法,其中配体含有至少3个铵阳离子,中心金属具有正电荷-1, 两个阳离子铵基团的共轭阴离子是酸碱共结合作为催化剂。 根据本发明,当制造所述聚碳酸酯时可以减少初始诱导时间,并且可以提高催化剂的活性和所得聚合物的分子量。